Use these options to specify how the date range returns results. "Exact" means that the start and end dates of descriptions returned must fall entirely within the date range entered. "Overlapping" means that any description whose start or end dates touch or overlap the target date range will be returned.

Letters from well known composers and musicians and colleagues, c. 1929-1965.Information on the Active Society for the Propagation of Contemporary Music, and the Operatic Society, which he founded in Glasgow c. 1929.Lecture notes, MSS of "Ope...